# IOS Production Build

**URL:** <https://forum.ionicframework.com/t/ios-production-build/204683>\
**Category:** Ionic Angular\
**Created:** [February 12, 2021, 10:50am UTC](https://forum.ionicframework.com/t/ios-production-build/204683 "2021-02-12T10:50:06Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![umsuka](https://avatars.discourse-cdn.com/v4/letter/u/e68b1a/32.png) [@umsuka](https://forum.ionicframework.com/u/umsuka)\
**Post date:** [February 12, 2021, 10:50am UTC](https://forum.ionicframework.com/t/ios-production-build/204683/1 "2021-02-12T10:50:06Z")

</div>

Hello

I’ve been trying to export a production build for IOS and have been having issues. Can someone please assist.

---

<div class="post-metadata">

**Author:** ![EinfachHans](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/einfachhans/32/130917_2.png) [@EinfachHans](https://forum.ionicframework.com/u/EinfachHans)\
**Post date:** [February 12, 2021, 11:07am UTC](https://forum.ionicframework.com/t/ios-production-build/204683/2 "2021-02-12T11:07:19Z")

</div>

Wow, that very less info 😃 What are your issues?

---

<div class="post-metadata">

**Author:** ![umsuka](https://avatars.discourse-cdn.com/v4/letter/u/e68b1a/32.png) [@umsuka](https://forum.ionicframework.com/u/umsuka)\
**Post date:** [February 12, 2021, 12:34pm UTC](https://forum.ionicframework.com/t/ios-production-build/204683/3 "2021-02-12T12:34:59Z")

</div>

Sorry for that, it’s my first time building an ionic app build via a Mac, and it’s showing me flames. I have followed steps on the ionic page to do setup and build but for some reason, I am having issues.

When I run `ionic Cordova build iOS --prod --release `

This is the error below:

```auto
Wrote out iOS Bundle Version "1.3.8" to /Users/admin/Development/App/platforms/iOS/App/App-Info.plist
Set IPHONEOS_DEPLOYMENT_TARGET to "11.0".
iOS Product Name has not changed (still "App")
Updating icons at platforms/iOS/App/Images.xcassets/AppIcon.appiconset/
Updating launch storyboard images at platforms/iOS/App/Images.xcassets/LaunchStoryboard.imageset/
Updating Storyboard image set contents.json
Updating Background Color color set Contents.json
This app does not have additional resource files defined
Prepared iOS project successfully
Executing script found in plugin cordova-plugin-add-swift-support for hook "after_prepare": plugins/cordova-plugin-add-swift-support/src/add-swift-support.js
No scripts found for hook "before_compile".
Running command: xcodebuild -version
Command finished with error code 0: xcodebuild -version
Running command: ioreg -p IOUSB -l
Command finished with error code 0: ioreg -p,IOUSB,-l
Running command: xcrun simctl list --json
Command finished with error code 0: xcrun simctl,list,--json
Running command: xcrun simctl list --json
Command finished with error code 0: xcrun simctl,list,--json
Cannot read property 'name' of undefined
TypeError: Cannot read property 'name' of undefined
    at /Users/admin/Development/App/platforms/ios/cordova/lib/build.js:145:60
    at _fulfilled (/Users/admin/Development/App/node_modules/q/q.js:854:54)
    at /Users/admin/Development/App/node_modules/q/q.js:883:30
    at Promise.promise.promiseDispatch (/Users/admin/Development/App/node_modules/q/q.js:816:13)
    at /Users/admin/Development/App/node_modules/q/q.js:624:44
    at runSingle (/Users/admin/Development/App/node_modules/q/q.js:137:13)
    at flush (/Users/admin/Development/App/node_modules/q/q.js:125:13)
    at processTicksAndRejections (internal/process/task_queues.js:75:11)
[ERROR] An error occurred while running subprocess cordova.
        
        cordova build ios --release --verbose exited with exit code 1.
        
        Re-running this command with the --verbose flag may provide more information.
  ionic:utils-process onBeforeExit handler: 'process.exit' received +0ms
  ionic:utils-process onBeforeExit handler: running 2 functions +0ms
  ionic:utils-process processExit: exiting (exit code: 1) +42ms

```

I have tried to do a build on a new project and samething happened. I did a build for android and its working fine on a windows machine I was doing dev on for the project.

Here is my ionic info data

```auto
Ionic:

   Ionic CLI : 6.12.4 (/usr/local/lib/node_modules/@ionic/cli)
   Ionic Framework : @ionic/angular 5.5.3
   @angular-devkit/build-angular : 0.1100.7
   @angular-devkit/schematics : 11.0.7
   @angular/cli : 11.0.7
   @ionic/angular-toolkit : 3.0.0

Cordova:

   Cordova CLI : 10.0.0
   Cordova Platforms : ios 6.1.1
   Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 5.0.0, (and 15 other plugins)

Utility:

   cordova-res : not installed
   native-run : 1.3.0

System:

   ios-deploy : 1.11.3
   ios-sim : 8.0.2
   NodeJS : v14.15.4 (/usr/local/bin/node)
   npm : 6.14.10
   OS : macOS Big Sur
   Xcode : Xcode 12.3 Build version 12C33

```

Thanks